The Shaft,shouldered, cataloged under National Stock Number 3040-01-438-1576, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (CAGE 12190) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-438-1576 |
| Primary Part Number | PB52579 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 47696-502 ITEM 42 | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| PB52579 PRIMARY | Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control (USA) |
| Reference | Meaning |
|---|---|
| 47696-502 | D/9 Drawing number reference only Metermaster Inc |
NSN 3040-01-438-1576 is a Shaft,shouldered, manufactured by Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-1576 has 2 manufacturer part numbers on file: 47696-502 ITEM 42 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control), PB52579 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-438-3269, 3040-01-438-3319, 3010-01-438-3404. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.